/*
 * Copyright (c) 1996, 2002, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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/*
 * Licensed Materials - Property of IBM
 * RMI-IIOP v1.0
 * Copyright IBM Corp. 1998 1999  All Rights Reserved
 *
 */

package com.sun.corba.se.impl.corba;

import java.util.Vector;
import org.omg.CORBA.ContextList;
import org.omg.CORBA.Bounds;
import org.omg.CORBA.ORB;

public class ContextListImpl extends ContextList {

  private final int INITIAL_CAPACITY = 2;
  private final int CAPACITY_INCREMENT = 2;

  private org.omg.CORBA.ORB _orb;
  private Vector _contexts;

  public ContextListImpl(org.omg.CORBA.ORB orb) {
    // Note: This orb could be an instanceof ORBSingleton or ORB
    _orb = orb;
    _contexts = new Vector(INITIAL_CAPACITY, CAPACITY_INCREMENT);
  }

  public int count() {
    return _contexts.size();
  }

  public void add(String ctxt) {
    _contexts.addElement(ctxt);
  }

  public String item(int index)
      throws Bounds {
    try {
      return (String) _contexts.elementAt(index);
    } catch (ArrayIndexOutOfBoundsException e) {
      throw new Bounds();
    }
  }

  public void remove(int index)
      throws Bounds {
    try {
      _contexts.removeElementAt(index);
    } catch (ArrayIndexOutOfBoundsException e) {
      throw new Bounds();
    }
  }

}
